Black Spots Flexible Ducts Attic

When black mold grows on walls floors carpets and so on it s relatively easy to spot.

Black spots flexible ducts attic.

In sweltering cities where temperatures often blow past 110 degrees installing ductwork on roofs and piping cool air through the oven like atmosphere doesn t make sense in terms of energy efficiency. Flexible hvac ductwork. Sometimes the best route for a flexible duct run is up and over an obstruction. In order to understand why smart air doesn t recommend any sort of duct cleaning for flex ducts you need to know how flex ducts are designed and made.

I found instead a vintage 3 ton ac unit with 1 rigid insulation taped all over it and insulated flex duct snaking all over the poorly insulated attic. Use metal flex or fiber board ducts that are insulated to. Most of the time dirt accumulates on ceilings because air is leaking in from the attic between the drywall and the supply register. If you are in need of our other air duct services contact our houston hvac experts at smart air by calling 281 809 6444 today.

I live in montreal and had a lennox air conditioner and ducts installed in the attic. Black dust around air vents. What i ve observed attic temp 50c vent temp 21c attic temp 37c vent temp 18c attic temp 25c vent temp 13c not sure what the r value off flexible duct or main metal duct is. Manufacturers then cover the tube in fiberglass insulation.

But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b. Duct cleaning can damage flex ducts. The flex ducts were literally filled shut with ice in the low spots compressing the scant insulation layer beneath them. This type of ductwork is usually tube shaped and is made from a wire coil covered in a bendable but durable plastic.

Both types of ductwork have specific features pros cons and specifications. Designer cavin costello of the ranch mine in phoenix uses the approach when remodeling older homes without attic space. These are rigid ductwork and flex ductwork. You may have black mold in your air ducts if you notice any of the following signs.

However when black mold starts growing in your air vents things get a little trickier. The rigid insulation was saturated from condensation. When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space. I was wondering is there any figures on the expected energy temp lose.